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5 March 2021 Micro ring cavities with laser-machined mirrors for quantum-enhanced sensing
Torben Poepplau, Romain Long, Jakob Reichel
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Proceedings Volume 11700, Optical and Quantum Sensing and Precision Metrology; 117000Z (2021) https://doi.org/10.1117/12.2587154
Event: SPIE OPTO, 2021, Online Only
Abstract
The fiber Fabry-Perot microcavities (FFPs) with laser-machined mirrors developed in our group have found many applications in atomic and solid-state cavity QED experiments and beyond. Here we show how laser-machined mirror technology can be leveraged to realize a micro-ring cavity. While maintaining key advantages such as small mode cross-section and high finesse, this novel design replaces the FPP's standing wave with a running-wave field that has no blind spots, and gives access to separated clockwise and anticlockwise modes. These are crucial advantages for applications such as atomic spin squeezing for quantum-enhanced clocks and sensors.
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Torben Poepplau, Romain Long, and Jakob Reichel "Micro ring cavities with laser-machined mirrors for quantum-enhanced sensing", Proc. SPIE 11700, Optical and Quantum Sensing and Precision Metrology, 117000Z (5 March 2021); https://doi.org/10.1117/12.2587154
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KEYWORDS
Mirrors
Carbon dioxide lasers
Chemical species
Laser applications
Atomic clocks
Carbon dioxide
Clouds
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